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Multi-Resonance Dual-Polarised Symmetrically Cross-Slotted Square Patch Antenna for 5G Millimeter-Wave Broadband Applications
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  • Qi Wu,
  • Haipeng Yu,
  • Yiming Yu,
  • Songtao Gao,
  • Chen Yu,
  • Haiming Wang
Qi Wu
Southeast University
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Haipeng Yu
Southeast University
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Yiming Yu
China Mobile Group Design Institute Co Ltd
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Songtao Gao
China Mobile Group Design Institute Co Ltd
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Chen Yu
Southeast University
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Haiming Wang
Southeast University

Corresponding Author:[email protected]

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A dual-polarized symmetrically cross-slotted square patch (SCSSP) antenna with multimode resonance is proposed for 5G millimeter-wave broadband applications. A symmetrical cross-slot is etched on the square patch surface to change the original E-field distribution where a whole square patch is cut into four disconnected equal parts. For both polarizations, this etching also tunes the resonance frequencies of the two modes to be sufficiently close to each other. Therefore, the antenna can realize good impedance performance within the wide designated bandwidth. Dual-polarized radiation of the SCSSP is vertically excited by three bow-tie-shaped slots and fed by two orthogonal substrate integrated coaxial lines. Simulated and measured results show that the fabricated prototype achieves a broad overlapped impedance bandwidth of 50.0% (24-40 GHz), isolation higher than 30 dB between the two input ports, stable radiation pattern, and low cross-polarization over the operating band. Moreover, the proposed SCSSP antenna with compact size, planar shape, and simple vertical feeding is very well-suited for two-dimensional array design.
14 Dec 2022Submitted to Electronics Letters
14 Dec 2022Submission Checks Completed
14 Dec 2022Assigned to Editor
07 Jan 2023Reviewer(s) Assigned
11 Jan 2023Review(s) Completed, Editorial Evaluation Pending
11 Jan 2023Editorial Decision: Revise Minor
25 Jan 20231st Revision Received
26 Jan 2023Review(s) Completed, Editorial Evaluation Pending
26 Jan 2023Submission Checks Completed
26 Jan 2023Assigned to Editor
30 Jan 2023Editorial Decision: Accept